The head of the UN food agency, Jacques Diouf, says he is not satisfied with the final declaration of the UN world food summit in Rome. Mr Diouf criticised the declaration - which vowed "urgent action" to boost food security - for not including exact targets to reduce hunger. Aid agency Oxfam also condemned the statement as "un-costed, unfunded and unaccountable". The UN estimates more than one billion people worldwide...

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